Edge-trimmer



W. H. BRGWNiNGn EDGE TRIMMER.

APPLICATION FILED Amma, 1919.

2 SHEETS-SHEET l.

153481,84?, P aIenIedAug. 1091920'.

'INI/Emmi? ATTORNEYS W/NESSES -W. H. BROWNING. EDGE Hummm.

APPLICATION FILED AUG.I3 1919.

Patented Aug 10, 1920.

2 SHEETS-SHEET 2.

e WITNESSES A TTHNEYS "To all whom t may concern:

NT.N OFFICE.

WILLIAM HULL BRQWNING, or NEWJYORK, N. Y.

l EDGE-TRIMMEB;

Be it known that I, VILLIAM HV. Bnowrf- ING,1a citizen of the Uni-tedStates, and a resident of the city of New York, borough of Manhattan, inthe ycounty of N ew yYork and State of New York, have invented a new andImproved Edge-Trimmer', of which the following is a full, clear, andexact description.

T his invention relates to improvements in edge trimmers, an objectofthe invention be-y ing to provide a device of the vcharacter statedwhich can be operated along the edge of a walk or around the edges offlower beds and the like to cut thegrass whiclrhangs over or is presseddown b y the mower in cutting the lawn.

This work has Vheretofore been done generally with hand operated shearsand isa slow, laborious work, frequently imperfectly done. Vith myimproved device the cutting is performed by shears carriedfand operatedby a support rolling on the rgroundY and the position of the shears iscontrolled by the position of the handle of the device.

-lVith these and other objects in view, the invention consists incertain novel features of construction and combinations and ar-lrangements of parts as will -be more fully hereinafter described andpointed out in the claims. Y

In the accompanying drawings:

Figure 1 is a view in side elevation illus-V trating my improvements. Y

Fig. 2 is a top plan view partly m section.

Fig. 3 is an enlarged view in section on the line of Fig. 2. Y

Fig. 4l is a perspective view illustrating a modification. i

1 represents a hollow roller, having trun-k nions 2 mounted to turn in afork 3, the latter secured to a handle 4 to push the roller along theground. K One member 3 of the fork 3 has a pair of cutter blades 5 fixedto its forward end. These blades 5 may constitute a single plate ifdesired and have adjacent sharp cutting ,edges 9. .V

` A removable cutter bladeV 6 is pivotally connected to the blades 5 'bymeans of a screw or other connecting device .7 and has sharp cuttingedges 8 at both sides adapted vto cooperate with the cutting edges 9 tosever the grass when the blade 6 is moved.

Thek blade 6 has a rearwardly and up- 4 Specification of Letters Patent.Patented Aug, Application rvfiled kAugust 13, 1919. Serial No.V317,370.'

.K asshown in Fig. 3.

"around a garden as will stood.

` above referred to. A

vwardly projecting arm 10,'the latter made withaslot 11 to receive acrank pin 12 on a crank disk 13. y f

`Crank'disk 13 is mounted to turn on a short shaft 14 thelatter mountedto turn in the member 3 and has a pinion 15 at its inner end engaging aninternal rack 16 secured in A cotter pin 17 may be used as av roller 1.securing device for the pinion 15 if desired,

A. ratchet wheel 18 is secured to turn with shaft 111 and a pawl 19 onthe disk 13 engages the ratchet wheel, so that the crank disk is turnedonly when the device is forward direction. 1 The turning of the crankdisk 13 imparts an oscillating movement to the cutter blade (l to cutthe grass at the edgeof ya walk or be readily 'under- A roller 20 hasrotary mounting in the forward ends of the fork 3 and prevents the intocontact with the ground, and the elevation of the shears formed byblades 5 and 6 are controlled'by the handle 4L and the Thus the operatorcan position the moved in a ends of the cutter blades f om being movedsol thereto by a screw or other connecting de-V vice 24, and has alaterally projecting arm 25 with a post 2G thereon. Y

A link 2T connects the post 2G with the shorter member 27 `of abellcrank-lever 28, the latter pivotally connected to a lug 29 on plate22 and having Va slot 30 in its longer end 31 to receive the crank pin12 A bracket arm 32 for` attachment tofthe member 3 `of the fork3. "is yi Various slight changes might be made in the general form ofthe partsdescribed without departing froinmy invention, and hence I do not limitmyselfto the precise details set forth but .consider myself at libertyto make such slight changes and alterations' as fairly fall'within thespirit and scope of the appended claims.

is` provided on plate 22v I claim:

l. An edge cutter, comprising a roller, a fork connected to the roller,a handle on the fork, shears carried by one member of the fork, and aroller supporting the shears.

2. An edge cutter, comprising a roller, a fork 4connected to the roller,a handle on the fork, shears connected to one member of the fork, meansoperated by the roller for operating the shears, and a roller supportingthe shears.

3. An edge cutter, comprising a roller, a fork connected to the roller,a handle on the fork, shears on one member of the fork7 an internal gearin the roller, a pinion mesh* ing with the gear` a cra-nk disk turned bythe pinion, an arm oscillated by the crank disk and operating theshears, and a roller supporting the shears.

An edge cutter, comprising a roller, a handle pivotally connected to theroller, shears operated by the roller and Secured to move with thehandle whereby the pivotal movement of the handle operates to raise andlower the shears, and a second roller in advance of the nist-mentionedroller and supporting the shears.

5. An edge cutter, comprising a roller, a fork pivotally connected tothe roller, a handle on the fork, shears carried by the fork, an armoperating the movable blade of the shears, a crank disk engaging thearm, a pinion operating the disk, an internal gear in the rollerOperating the pinion, a ratchet and paWl permitting the crank disk to beturned in one direction only, and a second roller in advance of thenist-mentioned roller and supporting the shears.

6. An edge cutter, comprising a roller, a fork pivotally connected tothe roller` a handle on the fork, a pair of fixed cutter bladessupported by the fork, a pivotally mounted movable blade adapted tooseillate across the vadjacent edges of the fixed blades, means operatedby the roller for operating the movable blade, and a Second roller inadvance oi the first-mentioned roller and supporting the shears.

7. Anedge trimmer, comprising a roller, a trunnion projecting from theroller, a fork pivotally supported on the trunnion, a handle on thefork, a pair of fixed cutter blades secured to one member of the fork ata peint in advance of its connection with the trunnion, a pivotallymounted movable blade adapted to oscillate across the edges of the Xedblades, and means operated by the roller Yfor operating the movableblade. NVM. HULL BROWNING.

